Covering the sunshade net in summer mainly plays a role of blocking light,rain,moisturizing and cooling; after covering the sunshade net in winter and spring,it also has a certain function of heat preservation and humidification.
The sunshade net is made of polyethylene,high-density polyethylene,PE,PB,PVC,recycled materials,new materials,etc.as raw materials.After UV stabilizer and anti-oxidation treatment,it has strong tensile strength,aging resistance,corrosion resistance, etc.It is mainly used in the protective cultivation of vegetables,fragrant buds, flowers, edible fungi,seedlings,medicinal materials, etc.
The quality of the sunshade net on the market is uneven.Some sunshade nets have a service life of only about one year,and some have low shading rates,which are not suitable for use in multi-span greenhouses.
The shading nets used in multi-span greenhouses are generally round wire external shading nets. This kind of shading net has a high shading rate,usually 75%,but some can reach 90%.
In the multi-span greenhouse exterior shading net industry, most of the recycled materials are used.External sunshade nets are used in multi-span greenhouses,which need to meet the two requirements of long service life and high shading rate at the same time.However,the external shade netting produced by many manufacturers are more serious due to the backward knitting process, and the phenomenon of wire loss and lack of wire is more serious.
Therefore,it is recommended to choose a high-quality external sunshade net for use in multi-span greenhouses.
The following will take you to understand how to choose an external shading net suitable for a multi-span greenhouse:
1.The mesh surface is flat and smooth, the flat wire and the slit are parallel,neat and uniform,and the warp and weft are clear and crisp.
2.Formal packaging,shading rate,specifications and dimensions are clearly marked.
3.No peculiar smell or odor,some just have a faint burnt smell of plastic.
4.The finish is good,with a sense of texture,deep black and bright, rather than the feeling of floating and bright.
5.Moderate flexibility, elasticity,no rigidity,no roughness,and a smooth and thick texture.
One is sold by weight, and the other is sold by area.
The nets sold by weight are generally recycled material nets,which are low-quality nets and have a service life of 2-3 months.This net is characterized by thick wire,hard net,roughness,dense mesh and heavy weight.
The nets sold by area are generally new material nets,and the service life is 1-3-5 years.This net is characterized by light weight, moderate flexibility,smooth and shiny net surface.
Everyone should know how much area they need, what to use,what the shading rate is,etc.and purchase according to their needs.
About Us
Sugrand is a leading manufacturer of agricultural and construction plastic nets in China. sugrand has advanced technology and intellectual property. sugrand agricultural plastic nets account for more than 20% of the global market.
